32results about How to "No resource consumption" patented technology

The invention provides a solar silicon slice cleaning agent, and belongs to the field of cleaning agents for electronic industry. The cleaning agent of the invention mainly comprises sodium hydroxide, sodium carbonate, sodium silicate, disodium edentate, sodium dodecyl benzene sulfonate, sodium dioctyl sulfosuccinate, polyethylene glycol, Tween-80, OP-10, triethanolamine, anhydrous alcohol or normal butyl alcohol or isopropyl alcohol or a composition of anhydrous alcohol, normal butyl alcohol or isopropyl alcohol, and deionized water. The cleaning agent is alkaline, does not contain sulfur and phosphorus additives, and when used as alone, has the advantages of good decontamination and cleaning property, low slice-returning rate, long service cycle, no corrosion to silicon slice, low operational requirements in use, easy treatment of treated waste oil and sewage, and the suitability for manual, semi-automatic and full automatic ultrasonic cleaning production lines of various process; in addition, the cleaning rate is over 99 percent, the slice-returning rate is close to zero, and the cost of the process of the invention is one tenth to one twentieth of that of the conventional cleaning process.

The invention discloses a real-time rendering method based on an environment light probe. Use a group of ambient light probes to obtain lighting information, and then perform occlusion correction on this group of lighting information, and finally use the corrected lighting information to perform rendering calculations for the rendered object; the details of occlusion correction are as follows: For each environment Lighting probe, the probe is connected with multiple preset different position points on the rendered object with straight line segments; each line segment is assigned a value according to whether the line segment intersects with other objects: if the intersection is assigned a value of 0, Otherwise, it is assigned a value of 1; the ratio of the sum of the assigned values ​​of straight line segments to the total number of straight line segments is used as the occlusion influence correction coefficient, and the product of the occlusion influence correction coefficient and the illumination information obtained by the ambient light probe is the occlusion of the ambient light probe Affects the corrected lighting information. The invention also discloses a real-time rendering device based on the ambient light probe. The invention can make the rendering effect close to the actual situation.

The invention discloses a synchronization method for orthogonal frequency division multiplexing system, including: the launcher firstly constructs the originated / synchronous sequence that is sent out with OFDM data symbols together. Based on the correlation of CP effective length in OFDM symbols form the receiving end, the correlation result conducts a time domain processing to the correlation sequence energy to get the best synchronization points set after one synchronization. Based on the originated sequence and CP, the departure estimation and departure compensation of fractional part DFseveral times are processed. During a range of synchronization points set output at once, the long pre-symbol received after the compensation is made time-domain correlation with the symbol to find the second time synchronization point. Then after time-domain of the short pre-symbol and the received pre-sequence is made frequency departure compensation, time-domain-related operations is conduct to get the DF departure estimation of integer times, and departure compensation is conduct.